Invasive North American beavers in Southern Patagonia, Ecology, History and Folklore

Derek Corcoran derek.corcoran.barrios@gmail.com
2016-09-27

invasion

Tierra del Fuego

isotherms

Tierra del Fuego

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Tierra del Fuego

Steppe

Tierra del Fuego

Forest

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Pinguinos

North American beaver (_Castor canadensis_)

History of beavers in Tierra del Fuego

Beavers

Effects of beavers in the environment

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Effects of beavers in the environment

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Effects of beavers in the environment

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Fitness patterns

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Fitness patterns

  • Time consuming
  • Hard to replicate
  • Almost impossible in rare species
  • Need to be able to detect the species
  • Species might be there but not detected
  • false absences might bias estimates

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Beaver Folklore

  • Detection is usually not perfect
  • Depends on:
    • Species
    • Season
    • Observer
    • Method
    • Weather

zombeavers